{"provider_name":"Hatena Blog","url":"https://tsuna-can.hateblo.jp/entry/2021/12/01/080000","author_url":"https://blog.hatena.ne.jp/masatsuna/","blog_url":"https://tsuna-can.hateblo.jp/","categories":["Entity Framework",".NET"],"blog_title":"\u30c4\u30ca\u7f36\u96d1\u8a18","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/masatsuna/20211201/20211201000255.png","author_name":"masatsuna","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftsuna-can.hateblo.jp%2Fentry%2F2021%2F12%2F01%2F080000\" title=\"Entity Framework Core \u3067\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5909\u66f4\u8a18\u9332\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5 - \u30c4\u30ca\u7f36\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","height":"190","title":"Entity Framework Core \u3067\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5909\u66f4\u8a18\u9332\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5","published":"2021-12-01 08:00:00","provider_url":"https://hatena.blog","version":"1.0","description":"\u524d\u63d0\u3068\u306a\u308b\u74b0\u5883 Visual Studio 2022 .NET 6 Entity Framework Core 6.0.0 SQL Server LocalDB Change Tracker \u3068\u306f\u4f55\u304b Entity Framework Core \u306f\u3001 Change Tracker \u3068\u3044\u3046\u4ed5\u7d44\u307f\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002 Change Tracker \u306f\u3001 DbContext \u3092\u7d4c\u7531\u3057\u3066\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3001\u66f4\u65b0\u3084\u524a\u9664\u3001\u8ffd\u52a0\u306a\u3069\u306e\u64cd\u4f5c\u3092\u884c\u3063\u305f\u8a18\u9332\u3092\u4fdd\u6301\u3059\u308b\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002 DbContext.SaveChanges() \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u3060\u3051\u3067\u3001 DbContext \u306b\u5bfe\u3057\u3066\u884c\u3063\u305f\u5909\u66f4\u304c\u3059\u3079\u3066\u53cd\u6620\u3067\u304d\u2026"}